Portable foot and body warmer.



PATENTED THE. 8, 1903. P. BATTER.

PORTABLE FOOT AND BODY WARMER. APPLICATION FILED AUG. 6, 1901. RENEWED DEC. 1a, 1903.

N0 MODEL;

. ments, as at 4, to keep used for-the feet.

UNITED. STATES -ATENT FFTCE.

FRANK BATTER. or TILLAMOOK, OREGON.

PORTABLE FOOT AND BODY WARMER.

SPECIFICATION forming part of Letters Patent No. 719,638, dated February e, 1903. Application filed August 8, 1901. Renewed December 18,1902. Serial No. 136,776. (No model.)

To all whom it may concern: 7

Be it known that l, FRANK BATTER, a citizen of the United States, residing at Tillamook, county'of Tillamook, State of Oregon, have invented an Improvement in Portable Foot and Body Warmers;- and I hereby declare the following to be a full, clear, and exact description of the same.

My invention relates to adevice which is designed to be carried or worn by individuals under conditions in which there is intense exterior cold against which the person should be guarded.

The invention consists of the parts and the constructions and combinations of parts hereinafter described and claimed.

Figure 1 shows the warmer. Fig. 2 shows ,it located in'the hollow of the foot. Fig. 3 is an interior view of the casing and its contents. Fig. l is a side elevation of the valve-operating mechanism and connections. Fig. 5 is a detail of the tube-coupling. Fig. 6 is a section through the two-way valve for returning the heating medium. i

A A are pads, which may be made of any suitable material, preferably soft or elastic, so as not to hurt the feet or parts to which they may be applied. These pads are here shown as especially designed to be worn either under the hollow of the foot or at the sides of the ankles in the upper part of the shoe or other footwear and, as illustrated, are composed of chambers or tubes through which the heating medium may be circulated by means of connecting-pipes, as a These pipes may be carried alon the legs within the clothing or between the underwear and trousers and may be supported at intervals by elastic bands, clasps, orattachthem in place. This illustrates the application where the pads are If they are to be carried in the hands, then the tubes would extend up the back and down through the sleeves of the coat me similar manner. The tubes are connected with a heater carried by the perwhere the natural heat of. the blood is not sufficient or application of the y 2 and 3.

from the heater short tubes extend to a point where a connection may be made with the tubes 2 and 3, previously described. Various means for detachably connecting these tubes may be employed. I have here shown male and female couplings 5 and 6,-adapted to slip or look together. The male portion 5 is here shown as slightly tapered and having terior coating of rubber or otherjoint-fo'rming substance adapted to fit snugly in the correspondingly -tapered. female portion of; the joint. One of these parts is attached to one of the tubes to be connected and the other to the other tube. These parts have mally closed by springs, as at 8. The valves have stems 9 projecting fromthem in such a nanner that when the two parts of the joint are locked together these stems contact with each other and simultaneously force the valves 7 away from their seats, thus leaving a free passage through the joint; but when the joints are separated these valves are closed by the springs 8, and no passageiof the medium employed can take place from either of the separated ends. These joints may also be made near to the pads,'so that all parts can be readily separated at will.

The heater may be variously'constructed. I do not wish to limit myself-to any especial form, since various well-known heating devices might be utilized for this purpose. In my present arrangement I have shown a containing-chamber 10, in which there may be a body of non-congealable' liquid, such as spirit or a strong saline solution or other sub-. stance which can be employed for the purpose. From this chamber a the form of a coil, with any suitable lamp or ,means for applying heat to it and. a hood 13 for the escape of the products of combustion through the top of the case 14., in which the device is contained. The liquid. passing through the pipe into the coil of the heater is there vaporized and passes. through a second pipe 15 into the outward-conductin g pipes 3,which lead to the pads. Circulating through these pads the vapor or liquid condensed therefrom will be returned through the second pipe 2 and into a receiver,

of which will be hereinafter described, and' an expipe 11 leads to a heater 12, which in the present case is inwithin them valves, as at 7, which are noras shown in tent.

. the revolu the valve afterward closing,

to bear by means end of the From this receiver nto theholder 10, to

the present case at 16. the liquid will flow backi be again transmitted thr'ough the heater, thus 'sufiicient to counteract the effect of very intense cold upon the extremities or other parts to which the heater may be applied. The flow through the heater and pads may be regular and continuous, or it may be made intermittent. In the present device ,I have shown a means for making the fiow intermit- 17 and 18 are two valves, one controlling the outflow of the liquid from the heater toward the padsand the other controlling the return from the pads to the receiver 16 orits equivalent. These valves are here shown as having a common rod this has a rocker-arm 20, which is connected by a rod 21 with a means for intermittently moving it, so that one valve isopened and the other closed by each movement of the rocker-arm. be employed for producing this movement. Ihave hereshown a spring-actuated clock mechanism 22, which can be wound upat any time-and will run for a considerable period. By means of a pin-wheel 23, turnable by the said mechanism, and the cam 24, connected with the rod 21 and actuated by the pins on the wheel, the movement of the rocker-arm and valves is eifected at intervals, depending on the rate of rotation of the wheel. In place of an escapement of the usual sort I may use an air-compression cylinder, as at 26, having a plunger moving therein, and a crankand eccentric 27, connected with the plunger by. a rod, as at 28, so that the rotation of the eccentric or crank willcompress'theair into the cylinder as the piston moves in, and when the eccentric has passedthe center the pressure of theair causes a more rapid re turn of the plunger.

The liquid which passes from the container 10 to the heating-coil through the pipe 11 is controlled in its passage by a valve located in a valve-chamber 29, and thestein 30 of,

this valve is actuated bya rocker-arm 31 and a centrally-pivoted lover or rod 32, one end of which is connected with the rockenarm and the other in position to be actuated by ti'ons of the pin-wheel and in unison with the opening of the vapor-supply valve previously described. The liquid is thus allowed .to pass from the containing-chamber 10 through the valve'at 29 in small quantities, and the liquid being vaporized-within the heating-coil will pass through the valves 17 and 18 to the heat ing-pad and thence return, as previously described. a I

In order to assist the movement of theliquid from the container to the heater, I can, if desired, bring a certain amount of pressure of an air pumping or com- 19 connecting them, and I Various mechanical devices may be. maintained in ceiver with the other,

with which heater contained within pressing device, one form of which, is shown at-W, through whic a certain pressure can the valve is opened the liqto the heater.

uid, so that when uid will be promptly delivered -In the same manner I may, ifdesired, produce a slight vacuum in the receiver 16, into which the-liquid is returned, so as to assist in its circulation through the pads and connecting-pipes.

Various modifications of the described mechanism for operating the valves may be employed withoutmaterially altering the character of my .invention, the essence of which is the employment of the local pads and a means of transmitting heat through them.

The pairs of pipes connecting'with each of the pads are preferably carriedtogether bethe container above the liqtween the heater and the pad and are inclosed in a non-conducting radiation and loss of heat.:

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. The combination in a portable heating apparatus, of a case and means for securing it to the body, hollow pads and means for bolding them in contact with the extremities, a heater within the case, ing from the upper part of the heater to the pads, return-tubes and areceiver located in the case into which said tubes discharge, a second receiver and a pipe connecting one reand apipe connecting said second receiver with the lower part of the heater.

2. The combination in a apparatus of a case and to the person, a heater case, hollow pads located in contact with the extremities, outflow and inflow tubes, the

portable heating former connecting the heater with the pads,

and a plurality of receivers within the case connecting the final receiver with the heater, valves located in the circulating-pipes, and a mechanism by which nately opened and closed.

3. The combination in a portable heating apparatus of a case secured to the person, a the case, hollow pads applied to the extremities, outflow-pipes connecting the heater with the pads,- returnpipes and receivers within the case into which said pipes discharge and through which the circulating medium is returned to the heater, and a'valve located between the receiver and the heater and mechanism by which it is intermittently opened and closed.

In witness whereof I have hereunto'set my hand.

. FRANK BATTER.

Witnesses:

S. H. N OURSE, J ESSIE 0. BRODIE.

casing to prevent conducting-tubes leadmeans for securing it contained within the the in flow-tubes connect, a pipe' said valves are alter- 

